शब्द (TRIANGLE) के अक्षरों से कितनी व्यवस्थाएं बनेंगी जिनमें (T) और (E) के बीच ठीक (3) अक्षर हों?
How many arrangements of the letters of (TRIANGLE) have exactly (3) letters between (T) and (E)?
Explanation opens after your attempt
C. (1920)
Concept
There are (4) possible position pairs for (T) and (E), with (2) orders, and the remaining (6!) arrangements. In position-based questions, choose fixed positions first.
Why this answer is correct
The correct answer is C. (1920). There are (4) possible position pairs for (T) and (E), with (2) orders, and the remaining (6!) arrangements. In position-based questions, choose fixed positions first.
Exam Tip
(T) और (E) की जगहों के (4) संभावित जोड़े हैं और क्रम (2) तरीके से होगा, बाकी (6!) हैं। स्थान-आधारित प्रश्नों में पहले निश्चित स्थान चुनें।
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